CN104564638B - compressor overload protection control method and device - Google Patents
compressor overload protection control method and device Download PDFInfo
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- CN104564638B CN104564638B CN201310508782.5A CN201310508782A CN104564638B CN 104564638 B CN104564638 B CN 104564638B CN 201310508782 A CN201310508782 A CN 201310508782A CN 104564638 B CN104564638 B CN 104564638B
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- 230000004224 protection Effects 0.000 title claims abstract description 245
- 238000000034 method Methods 0.000 title claims abstract description 29
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 134
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 134
- 239000011737 fluorine Substances 0.000 claims abstract description 134
- 239000006200 vaporizer Substances 0.000 claims description 100
- 238000001514 detection method Methods 0.000 claims description 72
- 230000005540 biological transmission Effects 0.000 claims description 7
- 241000220317 Rosa Species 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000002950 deficient Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/02—Compressor arrangements of motor-compressor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2207/00—External parameters
- F04B2207/70—Warnings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/06—Damage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/19—Calculation of parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Computer Hardware Design (AREA)
- Air Conditioning Control Device (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a compressor overload protection control method and device. The compressor overload protection control method comprises the steps of detecting the state of a compressor; judging whether the compressor has overload protection or not; and shielding the fluorine-deficient protection if the compressor is overload protected. The invention solves the problem that the false alarm of fluorine-lacking protection is easy to generate in the related technology, thereby achieving the effect of preventing the false alarm of fluorine-lacking protection during the overload protection of the compressor.
Description
Technical field
The present invention relates to control field, in particular to a kind of overload of compressor protection control method and device.
Background technology
In order to ensure the safe operation of dehumidifier and air-conditioner, in the related, typically can be at dehumidifier and air-conditioner
In coolant leakage defencive function and overload protection function are set.Overload protection function relies primarily on overload protective device and realizes.
Such as, when overload protective device detects that the delivery temperature of dehumidifier and air-conditioner exceedes delivery temperature threshold value, remove
The compressor on and off switch of wet machine and air-conditioner will disconnect, thus realizes the overload protection of dehumidifier and air-conditioner, this
Time, although the compressor on and off switch of dehumidifier and air-conditioner is already off, but compressor complete machine is still within electric
State.So, when the data parameters that main controller detects meet coolant leakage protection decision logic time, dehumidifier and
Air-conditioner will produce the protection of scarce fluorine and report to the police, and performs to lack fluorine protection act, in this case, dehumidifier and air-conditioning
This overload protection is in fact thought that scarce fluorine is protected by device by mistake, thus produces and lack fluorine protection false alarm.
For correlation technique easily produces the problem lacking fluorine protection false alarm, effective solution is the most not yet proposed.
Summary of the invention
Present invention is primarily targeted at offer a kind of overload of compressor protection control method and device, to solve relevant skill
Art easily produces the problem lacking fluorine protection false alarm.
To achieve these goals, according to an aspect of the invention, it is provided a kind of overload of compressor protects controlling party
Method.The method includes: the state of detection compressor；Judge whether compressor overload protection occurs；And if compression
There is overload protection in machine, then shielding lacks fluorine protection.
Further, overload of compressor protection control method is for the overload protection of dehumidifier, and dehumidifier includes vaporizer
And compressor, wherein: detection compressor state include: detection the first object time period in vaporizer pipe temperature and
Ambient temperature and the Guan Wen of vaporizer in second object time section, wherein, first object time period and the second object time
After section is the adjacent time period, and the second object time section is positioned at the first object time period, it is judged that whether compressor
Occur that overload protection includes: judge that first object time period inner tube temperature the most persistently rises and reaches maximum；Judging
Go out after first object time period inner tube temperature persistently rises and reach maximum, it is judged that Guan Wen held in the first object time period
Whether the continuous temperature gap risen is more than or equal to preset temperature difference；Judging that Guan Wen is in the first object time period
The temperature gap persistently risen is more than or equal to after preset temperature difference, it is judged that environment temperature in the second object time section
Whether the difference of degree and Guan Wen is less than preset temperature difference ultimate value；If it is judged that ambient temperature in the second object time section
With the difference of Guan Wen less than the poor ultimate value of preset temperature, it is determined that overload protection occurs in compressor.
Further, in the detection first object time period, the pipe thermometer bulb of vaporizer includes: detect the of the first moment vaporizer
One pipe temperature；Detect the second pipe temperature of the second moment vaporizer；Detect the 3rd pipe temperature of the 3rd moment vaporizer, wherein,
First moment, the second moment and the 3rd moment are the time point of arbitrary continuation in the first object time period, and when second
After being positioned at for the first moment quarter, after the 3rd moment was positioned at for the second moment, it is judged that whether first object time period inner tube temperature
Persistently rise and reach maximum and include: sentenced by the magnitude relationship judging the first pipe gentle 3rd pipe temperature of gentle second pipe
In the disconnected first object time period, the Guan Wen of vaporizer the most persistently rises and reaches maximum.
Further, detect the pipe thermometer bulb of vaporizer in the second object time section to include: the of detection the 4th moment vaporizer
Four pipe temperature；Detect the 5th pipe temperature of the 5th moment vaporizer, wherein, when the 4th moment and the 5th moment are the second target
Between the time point of arbitrary continuation in section, and after the 5th moment was positioned at for the 4th moment, it is judged that in the second object time section
Whether the difference of ambient temperature and Guan Wen includes less than preset temperature difference ultimate value: calculate the gentle 4th pipe temperature of the 5th pipe
Temperature gap；And judge temperature gap whether less than zero with judge Guan Wen in the second object time section the most persistently under
Fall.
Further, the protection of shielding scarce fluorine includes: obtains and presets the overload protection time period；From the default overload protection time
In Duan, removing first object time period and the second object time section are to determine the 3rd object time section, wherein, and the 3rd target
After time period is adjacent with the second object time section, and the 3rd object time section is positioned at the second object time section；And
Fluorine protection is lacked in the section inner shield of the 3rd object time.
Further, before the section inner shield of the 3rd object time lacks fluorine protection, shielding lacks fluorine protection and also includes: obtain
It is sent to the scarce fluorine protection halt command of compressor, wherein, lacks fluorine protection halt command and include that lacking fluorine protection for the first time stops
Machine order, second time lacks fluorine protection halt command and third time lacks fluorine protection halt command；And detection sends third time
Lack fluorine protection halt command moment whether within the first object time period or in the second object time section, wherein,
Protect the moment of halt command not within the first object time period or the second target if be detected that send the scarce fluorine of third time
In time period, then shielding lacks fluorine protection.
To achieve these goals, according to a further aspect in the invention, it is provided that a kind of overload of compressor protection controls dress
Put.This device includes: detector unit, for detecting the state of compressor；Judging unit, is used for judging that compressor is
No there is overload protection；And screen unit, if there is overload protection for compressor, then shielding lacks fluorine protection.
Further, overload of compressor protection controls the device overload protection for dehumidifier, and dehumidifier includes vaporizer
And compressor, wherein: detector unit is additionally operable to detect pipe temperature and second target of vaporizer in the first object time period
Ambient temperature and the Guan Wen of vaporizer in time period, wherein, first object time period and the second object time section are adjacent
Time period, and after the second object time section is positioned at the first object time period, it is judged that unit includes: first judges
Module, is used for judging that first object time period inner tube temperature the most persistently rises and reaches maximum；Second judge module,
For after judging that first object time period inner tube temperature persistently rises and reaches maximum, it is judged that Guan Wen is at the first mesh
Whether the temperature gap that the mark time period persistently rises is more than or equal to preset temperature difference；3rd judge module, is used for
Judge temperature gap that Guan Wen persistently rose in the first object time period more than or equal to preset temperature difference it
After, it is judged that in the second object time section, whether the difference of ambient temperature and Guan Wen is less than preset temperature difference ultimate value；First
Determine module, for if it is judged that in the second object time section the difference of ambient temperature and Guan Wen less than preset temperature poor
Ultimate value, it is determined that overload protection occurs in compressor.
Further, detector unit includes: first detection module, for the first pipe temperature of detection the first moment vaporizer；
Second detection module, for the second pipe temperature of detection the second moment vaporizer；3rd detection module, for detection the 3rd
3rd pipe temperature of moment vaporizer；And wherein, in the first moment, the second moment and the 3rd moment are the first object time
The time point of arbitrary continuation in section, and after the second moment was positioned at for the first moment, the 3rd moment be positioned at the second moment it
After, the first judge module is additionally operable to judge the by the magnitude relationship judging the first pipe gentle 3rd pipe temperature of gentle second pipe
In one object time section, the Guan Wen of vaporizer the most persistently rises and reaches maximum.
Further, detector unit also includes: the 4th detection module, for the 4th pipe of detection the 4th moment vaporizer
Temperature；5th detection module, for the 5th pipe temperature of detection the 5th moment vaporizer, wherein, the 4th moment and when the 5th
After quarter is the time point of arbitrary continuation in the second object time section, and the 5th moment was positioned at for the 4th moment, second sentences
Disconnected module includes: calculating sub module, for calculating the temperature gap of the gentle 4th pipe temperature of the 5th pipe；And judgement submodule
Block, be used for judging temperature gap whether less than zero to judge Guan Wen whether continuous decrease in the second object time section.
Further, screen unit includes: the first acquisition module, is used for obtaining the default overload protection time period；Second
Determine module, for removing first object time period and the second object time section from the default overload protection time period with really
Fixed 3rd object time section, wherein, the 3rd object time section is adjacent with the second object time section, and during three targets
Between after section is positioned at the second object time section；And shroud module, protect for lacking fluorine in the section inner shield of the 3rd object time
Protect.
Further, screen unit also includes: the second acquisition module, for lacking in the section inner shield of the 3rd object time
Obtain the scarce fluorine protection halt command being sent to compressor before fluorine protection, wherein, lack fluorine protection halt command and include the
Once lacking fluorine protection halt command, second time lacks fluorine protection halt command and third time lacks fluorine protection halt command；And
Whether 6th detection module, for detecting the moment sending third time scarce fluorine protection halt command in the first object time period
In or in the second object time section, wherein, screen unit be additionally operable to when detect transmission third time lack fluorine protection stop
When the moment of machine order is not within the first object time period or in the second object time section, shielding lacks fluorine protection.
By the present invention, use the state of detection compressor；Judge whether compressor overload protection occurs；And if
There is overload protection in compressor, then shielding lacks fluorine protection, solves easy generation in correlation technique and lacks fluorine protection false alarm
Problem, and then reached to prevent compressor from the effect of scarce fluorine protection false alarm occurring when overload protection.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram that overload of compressor protection according to a first embodiment of the present invention controls device；
Fig. 2 is the schematic diagram that overload of compressor protection according to a second embodiment of the present invention controls device；
Ambient temperature and the curve of evaporator tube temperature when Fig. 3 is overload of compressor protection according to a second embodiment of the present invention
Schematic diagram；
Fig. 4 is the flow chart of overload of compressor protection control method according to a first embodiment of the present invention；And
Fig. 5 is the flow chart of overload of compressor protection control method according to a second embodiment of the present invention.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
It should be noted that the overload of compressor protection control method of the present invention and device may be used for dehumidifier and air-conditioning
The overload protection of device, wherein dehumidifier and air-conditioner all include compressor and vaporizer.
According to embodiments of the invention, it is provided that a kind of overload of compressor protection controls device, for occurring at compressor
During overload protection, shielding lacks fluorine protection.
Fig. 1 is the schematic diagram that overload of compressor protection according to a first embodiment of the present invention controls device.As it is shown in figure 1,
This device includes: detector unit 10, judging unit 20 and screen unit 30.
Detector unit 10 is for detecting the state of compressor.The state of compressor can be Guan Bi power supply status and disconnect electricity
Source state.It should be noted that in embodiments of the present invention, when compressor is in deenergization state, this compressor
Complete machine remains as to obtain electricity condition.When overload of compressor, the delivery temperature of compressor can be the highest, and once compressor
Excessive discharge temperature, the power supply of compressor will disconnect, and at this moment, detector unit 10 will detect the state of compressor
For deenergization state, otherwise detector unit 10 will detect that the state of compressor is Guan Bi power supply status.Detection is single
Compressor can detect for Guan Bi power supply status or deenergization state by the pipe temperature of detection vaporizer in unit 10.Need
It is noted that a part for the master controller that detector unit 10 is dehumidifier and air-conditioner.
Judging unit 20 is used for judging whether compressor overload protection occurs.When detector unit 10 is by detection vaporizer
Pipe temperature detector measure the state of compressor when being deenergization state, it is judged that unit 20 may determine that compressor occurred
Carrying protection, otherwise, the state measuring compressor by the pipe temperature detector of detection vaporizer when detector unit 10 is Guan Bi power supply
During state, it is judged that unit 20 may determine that overload protection does not occurs in compressor, i.e. compressor is in the shape that works normally
State.
If screen unit 30 overload protection occurs for compressor, then shielding lacks fluorine protection.When judging unit 20 is sentenced
Breaking and compressor when there is overload protection, screen unit 30 is used for shielding the protection of scarce fluorine, and otherwise screen unit 30 is the most right
Lacking fluorine protection to shield, wherein, it can be the control that shielding lacks fluorine protection that screen unit 30 carries out shielding to the protection of scarce fluorine
Logic processed.
By the embodiment of the present invention, determine at compressor when detector unit 10 detects the excessive discharge temperature of compressor
In deenergization state, when compressor is in deenergization state, it is judged that unit 20 judges that overload occurs in compressor
Protection, now screen unit 30 performs the scarce fluorine protection act of shielding, so, has reached to prevent compressor at overload protection
Time occur lack fluorine protection false alarm effect.
Fig. 2 is the schematic diagram that overload of compressor protection according to a second embodiment of the present invention controls device.This embodiment can
Using the preferred implementation as embodiment illustrated in fig. 1, the overload of compressor protection of this embodiment controls device and includes the
The detector unit 10 of one embodiment, judging unit 20 and screen unit 30, wherein, it is judged that unit 20 includes: first
Judge module the 201, second judge module the 202, the 3rd judge module 203 and first determines module 204.
The effect of screen unit 30 is identical with first embodiment, does not repeats them here.
The pipe temperature of detector unit 10 vaporizer in detecting the first object time period and the second object time section internal ring
The Guan Wen of vaporizer in border temperature and the second object time section, wherein, first object time period and the second object time section
It is the adjacent time period, and after the second object time section is positioned at the first object time period.
In the embodiment of the present invention, detector unit 10 can include first detection module, the second detection module and the 3rd detection
Module.Specifically, first detection module is for detecting the vaporizer the first pipe temperature in the first moment, the second detection module
For detecting the vaporizer the second pipe temperature in the second moment, the 3rd detection module is for detecting vaporizer in the 3rd moment
3rd pipe temperature, wherein, the first moment, the second moment and the 3rd moment can be any three in the first object time period
Individual continuous time point, and the first moment, the second moment and the 3rd moment be in chronological sequence arranged sequentially on time shaft.
Detector unit 10 can also include the 4th detection module and the 5th detection module.Specifically, the 4th detection module is used
In detecting the vaporizer the 4th pipe temperature in the 4th moment, the 5th detection sub-module is for detecting vaporizer in the 5th moment
5th pipe temperature, wherein, the 4th moment and the 5th moment are the time point of arbitrary continuation in the second object time section, and
After 5th moment was positioned at for the 4th moment.
First judge module 201 Guan Wen of vaporizer in judging the first object time period the most persistently rises and reaches
Maximum.Wherein, the duration of first object time period can preset, it is preferable that the first object time period time
Length can be redefined for 3min.Within the first object time period, as the first pipe temperature, the gentle 3rd pipe Wen Yi of the second pipe
Secondary for the former less than the latter, and when these three pipe temperature value are serial number, then the first judge module 201 judges the
In one object time section, the Guan Wen of vaporizer persistently rises, further, under critical conditions, when the first pipe temperature
When being respectively less than the second pipe temperature with the 3rd pipe temperature, then the first judge module 201 judges that first object time period inner tube temperature is held
Continue and rise and reached maximum under critical conditions.It should be noted that in critical state, the second moment is corresponding
The second pipe temperature be the maximum temperature in the first object time period.
Second judge module 202 is for the pipe of vaporizer in the first judge module 201 judges the first object time period
After temperature persistently rises and reaches maximum, it is judged that the temperature difference that the Guan Wen of vaporizer persistently rose in the first object time period
Whether value is more than or equal to preset temperature difference, and such as, preset temperature difference can be 15 DEG C.
In embodiments of the present invention, the second judge module 202 can include calculating sub module and judge submodule.When
Four detection modules detect the 4th pipe temperature, and after the 5th detection module detects the 5th pipe temperature, calculating sub module is used for calculating
The temperature gap of the gentle 4th pipe temperature of the 5th pipe, in the second object time section, when the 4th pipe temperature is more than the 5th pipe temperature,
I.e. when temperature gap is less than zero, and when these two pipe temperature value are serial number, then judge that submodule judges second
In object time section, the Guan Wen of vaporizer is continuous decrease.
At the second judge module 202,3rd judge module 203 is for judging that the Guan Wen of vaporizer is at described first object
When the temperature gap that time period persistently rises is more than or equal to preset temperature difference, it is judged that the second object time section internal ring
Whether the difference of the Guan Wen of border temperature and vaporizer is less than preset temperature difference ultimate value, such as, preset temperature difference ultimate value
Can be 5 DEG C.
In embodiments of the present invention, first determines that module 204 is for judging the second target at the 3rd judge module 203
In time period, the difference of the Guan Wen of ambient temperature and vaporizer is less than after preset temperature difference ultimate value, it is judged that compressor goes out
Existing overload protection, i.e. judging unit 20 are used for judging that now compressor is deenergization state.
In embodiments of the present invention, screen unit 30 can include the first acquisition module, second determine module and shielding mould
Block.First acquisition module is used for obtaining the default overload protection time period, and such as, the default overload protection time period can set
It is set to 60min.After acquisition module gets the default overload protection time period, second determines that module is for from presetting
In load guard time section, removing first object time period and the second object time section are to determine the 3rd object time section, wherein,
First object time period, the second object time section and the 3rd object time section are the continuous print time period, and the 3rd target
After time period is positioned at the second object time section.After obtaining the 3rd object time section, shroud module is at the 3rd mesh
Mark time period inner shield lacks fluorine protection, and further, shroud module is additionally operable to extend back in the 3rd object time section
Time period inner shield lacks fluorine protection.For example, it is assumed that presetting the overload protection time period is 60min, the first object time period
It is respectively 3min and 5min, then after the 3rd object time section is certain hour with the duration of the second object time section
52min, so, shroud module may be used for rear 52min inner shield of certain hour at this lack fluorine protection or for
At this, the front 10min inner shield of the rear 52min of certain hour and next hour lacks fluorine protection.
In embodiments of the present invention, screen unit 30 can include that the second acquisition module, the 6th detection module and shielding are single
Unit.Second acquisition module, for obtaining the scarce fluorine protection halt command being sent to compressor, wherein, lacks fluorine protection and shuts down
Order includes lacking fluorine protection halt command for the first time, and second time lacks fluorine protection halt command and third time lacks fluorine protection and shuts down
Order.Specifically, when scarce fluorine protection data being detected for the first time, master controller sends to compressor and lacks fluorine for the first time
Protection halt command, when second time detects scarce fluorine protection data, master controller sends second time to compressor and lacks fluorine
Protection halt command, when third time detects scarce fluorine protection data, master controller sends third time to compressor and lacks fluorine
Protection halt command.6th detection module is for detecting whether above-mentioned transmission third time lacks the moment of fluorine protection halt command
Within the first object time period or in the second object time section.Screen unit is for detecting when the 6th detection module
Send third time lack fluorine protection halt command time be engraved in the first object time period or in the second object time section
After, shielding lacks fluorine protection, does not the most shield the protection of scarce fluorine.When the 6th detection module detects that transmission third time lacks fluorine and protects
Protect halt command time be engraved in the first object time period or in the second object time section after, screen unit does not shields
Lack fluorine protection, now conclude that the protection of scarce fluorine lacks fluorine protection for normal, perform to lack fluorine protection and report to the police.
Such as, as it is shown on figure 3, horizontal axis representing time axle, unit is min, and the longitudinal axis represents temperature axis, and unit is DEG C,
Dotted line represents that ambient temperature, broken line represent the Guan Wen of vaporizer, it is assumed that ambient temperature is 25 DEG C, and envionmental humidity is
80%, the time span of first object time period up to 3min, the time span of the second object time section is up to
5min, preset temperature difference is 15 DEG C, and preset temperature difference ultimate value is 5 DEG C.In this embodiment, before A point
In about 0 to 10.5min, the pipe temperature of vaporizer probably rises to 14 DEG C from 7 DEG C, and the speed that pipe temperature rises is relatively slow, and A
In between point and B point about 10.5 to 12.5min, detector unit 10 detects that the pipe temperature of vaporizer is general from 14 DEG C
Continue rising up to 29 DEG C, and detect that the Guan Wen of vaporizer has reached maximum 29 DEG C in B point detector unit 10.
Wherein, the duration of the time period between A point and B point is about 2min, and i.e. the time period between this A point and B point can
Think the first object time period.Detect that in detector unit 10 the pipe temperature of vaporizer probably continues rising up to from 14 DEG C
After big temperature value 29 DEG C, the first judge module 201 judges that the pipe temperature of vaporizer persistently rises and reaches maximum 29
℃.Second judge module 202 judges the temperature that the pipe temperature of vaporizer persistently rises in the time period between A point and B point
Degree difference is 15 DEG C, and this temperature gap 15 DEG C is equal to preset temperature difference 15 DEG C.About 12.5 between b and c
In 14.5min, detector unit 10 detects that the pipe temperature of vaporizer is general between 26 DEG C to 29 DEG C, and simultaneously
Detect that ambient temperature is 25 DEG C, so, in about 12.5 to 14.5min between b and c, environment temperature
The maximum of the difference of the Guan Wen of degree and vaporizer is 4 DEG C, and minima is 1 DEG C, therefore, and the 3rd judge module 203
Judging that the maximum of the difference of the Guan Wen of ambient temperature and vaporizer is 4 DEG C is 5 DEG C less than preset temperature difference ultimate value.
By above-mentioned testing result, it is judged that the first of unit 20 determines that module 204 determines that compressor is in overload protection shape
State, i.e. compressor are because overload protection has been shut down.Determine that module 204 determines out pressure at the first of judging unit 20
Contracting machine is in overload protection state, i.e. compressor because after overload protection shut down, screen unit 30 is right from C point
This moment of the 14.5min answered plays shielding and lacks fluorine protection, it is assumed that the predetermined overload protection time span of this compressor is
60min, then above-mentioned shielding lacks fluorine protection can last till 60min or 70min from 14.5min.At 60min or
This shielding lacks after person 70min fluorine protection release.
So, the embodiment of the present invention is passed through, it is judged that in the first object time period, the pipe temperature of vaporizer persistently rises and reaches
To maximum, and judge temperature gap that the Guan Wen of vaporizer persistently rises in the first object time period more than or
Equal to preset temperature difference and in judging the second object time section the difference of the Guan Wen of ambient temperature and vaporizer be less than
After preset temperature difference ultimate value, shielding in time lacks fluorine protection, eliminates scarce fluorine protection false alarm, and then has reached to prevent
There is the effect of scarce fluorine protection false alarm when overload protection in compressor.
According to embodiments of the invention, additionally provide a kind of overload of compressor protection control method, for going out at compressor
During existing overload protection, shielding lacks fluorine protection.It should be noted that the overload of compressor protection that the embodiment of the present invention is provided
Control method can perform on a computing device.It should be noted that the compressor mistake that the embodiment of the present invention is provided
Carrying protection control method can protect control device to perform by the overload of compressor of the embodiment of the present invention, and the present invention is real
The overload of compressor protection controlling party device executing example can be used for performing the overload of compressor protection control of the embodiment of the present invention
Method processed.
Fig. 4 is the flow chart of overload of compressor protection control method according to a first embodiment of the present invention.As shown in Figure 4,
This overload of compressor protection control method includes that steps S101 is to step S103:
Step S101, the state of detection compressor.
The state of detection compressor can detect the state of compressor for Guan Bi power supply status still for deenergization state.
It should be noted that in embodiments of the present invention, when compressor is in deenergization state, this compressor complete machine is still
For obtaining electricity condition.When overload of compressor, the delivery temperature of compressor can be the highest, and the delivery temperature of once compressor
Too high, the power supply of compressor will disconnect, and at this moment, the state of detection compressor will detect that the state of compressor is
Deenergization state, otherwise will detect that the state of compressor is Guan Bi power supply status.The state of detection compressor can
Compressor is detected for Guan Bi power supply status or deenergization state with the pipe temperature by detection vaporizer.Need explanation
, step S101 is performed by the master controller of dehumidifier and air-conditioner.
Step S102, it is judged that whether compressor overload protection occurs.
When state compressor being detected is deenergization state, it can be determined that go out compressor and overload protection occurs, no
Then, when state compressor being detected is Guan Bi power supply status, it can be determined that going out compressor overload protection does not occurs,
I.e. compressor is in normal duty.When judging that overload protection does not occurs in compressor, perform step S101.
When judging that overload protection occurs in compressor, perform step S103.
Step S103, shielding lacks fluorine protection.
When judging that overload protection occurs in compressor, shielding lacks fluorine protection, does not shields the protection of scarce fluorine,
Wherein, the protection of scarce fluorine being carried out shielding can be the control logic that shielding lacks fluorine protection.
By the embodiment of the present invention, detect compressor due to the temperature of aerofluxus too high and when being in deenergization state,
Judging that overload protection occurs in compressor, now shielding lacks fluorine protection, so, has reached to prevent compressor from protecting in overload
Occurs lacking the effect of fluorine protection false alarm when protecting.
Fig. 5 is the flow chart of overload of compressor protection control method according to a second embodiment of the present invention.As it is shown in figure 5,
The method comprising the steps of S201 is to step S206, and this embodiment can be as the side of being preferable to carry out of embodiment illustrated in fig. 4
Formula.
Step S201, ambient temperature in the pipe temperature of vaporizer and the second object time section in the detection first object time period
Guan Wen with vaporizer.
In embodiments of the present invention, first object time period and the second object time section are the adjacent time periods, and the
After two object time sections are positioned at the first object time period.The duration of first object time period can preset, preferably
Ground, the duration of first object time period can be redefined for 3min.In embodiments of the present invention.Specifically, detection
In the first object time period, the pipe thermometer bulb of vaporizer includes the detection vaporizer the first pipe temperature in the first moment, detects vaporizer
In the second pipe temperature in the second moment, detection vaporizer is in the 3rd pipe temperature in the 3rd moment, wherein, and the first moment, second
Moment and the 3rd moment can be any three continuous time points in the first object time period, and the first moment,
Two moment and the 3rd moment are in chronological sequence arranged sequentially on time shaft.In embodiments of the present invention, specifically,
In two object time sections the pipe thermometer bulb of vaporizer include detection vaporizer the 4th moment the 4th pipe gentleness detection vaporizer exist
The 5th pipe temperature in the 5th moment, wherein, the 4th moment and the 5th moment be in the second object time section arbitrary continuation time
Between point, and after the 5th moment was positioned at for the 4th moment.
Step S202, it is judged that first object time period inner tube temperature the most persistently rises and reaches maximum.
It should be noted that within the first object time period, when the first pipe temperature, the gentle 3rd pipe temperature of the second pipe are followed successively by
The former is less than the latter, and when these three pipe temperature value are serial number, then the first judge module 201 judges the first mesh
In the mark time period, the Guan Wen of vaporizer persistently rises, further, under critical conditions, when the first pipe gentleness the
When three pipe temperature are respectively less than the second pipe temperature, then judge that first object time period inner tube temperature persistently rises and in critical state
It is issued to maximum.It should be noted that in critical state, the second pipe temperature corresponding to the second moment is first object
Maximum temperature in time period.If it is judged that the pipe temperature of vaporizer persistently rises and reaches in the first object time period
Big value, then perform step S203, no execution step S201.
Step S203, it is judged that the temperature gap that the Guan Wen of vaporizer persistently rose in the first object time period whether more than or
Person is equal to preset temperature difference.
After the pipe temperature judging vaporizer in the first object time period persistently rises and reaches maximum, it is judged that vaporizer
The temperature gap that persistently rises in the first object time period of Guan Wen whether more than or equal to preset temperature difference, such as,
When preset temperature difference is 15 DEG C, within the first object time period, when the pipe of the end time of first object time period
When the difference of the Guan Wen of the initial time of gentle first object time period is more than 15 DEG C, then judge the Guan Wen of vaporizer
The temperature gap that one object time section persistently rises is more than preset temperature difference, when pipe temperature the first mesh judging vaporizer
When the temperature gap that the mark time period persistently rises is more than preset temperature difference, performs step S204, otherwise perform step
S201。
It should be noted that the execution sequence of step S202 and step S203 can overturn.
Step S204, it is judged that in the second object time section, whether the difference of the Guan Wen of ambient temperature and vaporizer is less than presetting
Temperature difference ultimate value.
In embodiments of the present invention, if it is judged that the temperature gap that the pipe temperature of vaporizer persistently rises is more than or equal to
Preset temperature difference, then judge that whether the difference of the Guan Wen of ambient temperature and vaporizer is less than pre-in the second object time section
If temperature difference ultimate value, wherein, preset temperature difference ultimate value can be 5 DEG C.If it is judged that the second object time section
The difference of the Guan Wen of interior ambient temperature and vaporizer is less than preset temperature difference ultimate value, then perform step S205, no execution
Step S201.In embodiments of the present invention, when the 4th detection module detects the 4th pipe temperature, the 5th detection module detection
After the 5th pipe temperature, the temperature gap of the gentle 4th pipe temperature of the 5th pipe can be calculated.In the second object time section, when
When 5th pipe temperature is less than the 4th pipe temperature, i.e. when temperature gap is less than zero, and when these two pipe temperature value are serial number,
Then judge that the Guan Wen of vaporizer is continuous decrease in the second object time section.If it is judged that the second object time section
The difference of the Guan Wen of interior ambient temperature and vaporizer is less than preset temperature difference ultimate value, and judges for the second object time
In section, the Guan Wen of vaporizer is continuous decrease, then perform step S205, no execution step S201.
Step S205, determines that overload protection occurs in compressor.
If it is judged that the difference of the Guan Wen of ambient temperature and vaporizer is less than preset temperature difference pole in the second object time section
Limit value, it is determined that overload protection occurs in compressor, otherwise judges that overload protection does not occurs in compressor.If it is determined that pressure
There is overload protection in contracting machine, then perform step S206.
Step S206, if overload protection occurs in compressor, then shielding lacks fluorine protection.
In embodiments of the present invention, following steps shielding can be used to lack fluorine protect:
Obtaining and preset the overload protection time period, such as, the default overload protection time period can be set as 60min；Obtaining
After getting the default overload protection time period, from the default overload protection time period, remove first object time period and the second mesh
Mark the time period to determine the 3rd object time section, wherein, first object time period, the second object time section and the 3rd mesh
After the mark time period is the continuous print time period, and the 3rd object time section is positioned at the second object time section；Obtaining
After three object time sections, lack fluorine protection in the section inner shield of the 3rd object time, or in the 3rd object time section and prolong
The certain period of time inner shield stretched lacks fluorine protection.For example, it is assumed that preset the overload protection time period to be set as 60min, the
The duration of one object time section and the second object time section is respectively 3min and 5min, then the 3rd object time section is certain
The rear 52min of individual hour, as such, it is possible at this rear 52min inner shield of certain hour lack fluorine protection or at this certain
The rear 52min of individual hour and the front 10min inner shield of next hour lack fluorine protection.
Further, in embodiments of the present invention, before the section inner shield of the 3rd object time lacks fluorine protection, obtain and send out
Give the scarce fluorine protection halt command of compressor, wherein, lack fluorine protection halt command and include that lacking fluorine protection for the first time shuts down
Order, second time lacks fluorine protection halt command and third time lacks fluorine protection halt command.Specifically, when detection for the first time
During to scarce fluorine protection data, master controller sends to compressor and lacks fluorine protection halt command for the first time, when second time detection
During to scarce fluorine protection data, master controller sends second time to compressor and lacks fluorine protection halt command, when third time detection
During to scarce fluorine protection data, master controller sends third time to compressor and lacks fluorine protection halt command.Detect above-mentioned transmission
Third time lacks the moment of fluorine protection halt command whether within the first object time period or in the second object time section.
When detecting in transmission third time is engraved in the first object time period when lacking fluorine protection halt command or during in the second target
Between in section after, shielding lacks fluorine protection, does not the most shield the protection of scarce fluorine.When detecting that transmission third time lacks fluorine protection and shuts down
Order time be engraved in the first object time period or in the second object time section after, do not shield the protection of scarce fluorine, now
Conclude that the protection of scarce fluorine lacks fluorine protection for normal, perform to lack fluorine protection and report to the police.
As can be seen from the above description, the present invention is by judging the Guan Wen of vaporizer in the first object time period
Persistently rise and reach maximum, and judge the temperature difference that the pipe temperature first object time period of vaporizer persistently rises
Value is more than or equal to preset temperature difference and ambient temperature and the Guan Wen of vaporizer in judging the second object time section
Difference less than after preset temperature difference ultimate value, shielding lacks fluorine protection, eliminates scarce fluorine protection false alarm, and then reaches
Prevent compressor from the effect of scarce fluorine protection false alarm occurring when overload protection.
It should be noted that can be at such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing
Computer system performs, and, although show logical order in flow charts, but in some cases, can
With to be different from the step shown or described by order execution herein.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general
Calculating device realize, they can concentrate on single calculating device, or is distributed in multiple calculating device institute
On the network of composition, alternatively, they can realize with calculating the executable program code of device, it is thus possible to
It is stored in storing in device and is performed by calculating device, or they are fabricated to respectively each integrated circuit die
Block, or the multiple modules in them or step are fabricated to single integrated circuit module realize.So, the present invention
It is not restricted to any specific hardware and software combine.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made
Any modification, equivalent substitution and improvement etc., should be included within the scope of the present invention.
Claims (12)
1. an overload of compressor protection control method, it is characterised in that including:
The state of detection compressor；
Judge whether described compressor overload protection occurs；And
If overload protection occurs in described compressor, then shielding lacks fluorine protection.
Overload of compressor the most according to claim 1 protection control method, it is characterised in that described overload of compressor
Protection control method is for the overload protection of dehumidifier, and described dehumidifier includes vaporizer and described compressor, its
In:
The state of detection compressor includes: the pipe temperature and second of described vaporizer in the detection first object time period
Ambient temperature and the Guan Wen of described vaporizer in object time section, wherein, described first object time period and described
Second object time section is the adjacent time period, and when described second object time section is positioned at described first object
Between after section,
Judge whether described compressor occurs that overload protection includes: judge described pipe in the described first object time period
Temperature the most persistently rises and reaches maximum；In judging the described first object time period, described pipe temperature persistently goes up
After rising and reaching maximum, it is judged that the temperature gap that described Guan Wen persistently rose in the described first object time period
Whether more than or equal to preset temperature difference；Judging that described Guan Wen continued in the described first object time period
The temperature gap risen is more than or equal to after preset temperature difference, it is judged that institute in described second object time section
Whether state the difference of ambient temperature and described Guan Wen less than preset temperature difference ultimate value；If it is judged that described second
In object time section, the difference of described ambient temperature and described Guan Wen is less than preset temperature difference ultimate value, it is determined that institute
State compressor and overload protection occurs.
Overload of compressor the most according to claim 2 protection control method, it is characterised in that
In the detection first object time period, the pipe thermometer bulb of vaporizer includes: detect described in the first moment the first of vaporizer
Guan Wen；Detect the second pipe temperature of vaporizer described in the second moment；Detect the 3rd pipe of vaporizer described in the 3rd moment
Temperature, wherein, in described first moment, described second moment and described 3rd moment are the described first object time period
The time point of interior arbitrary continuation, and after described second moment is positioned at described first moment, described 3rd moment
After being positioned at described second moment,
Judge in the described first object time period that described Guan Wen the most persistently rises and reaches maximum to include: pass through
Judge that the magnitude relationship of the described first pipe gentle described 3rd pipe temperature of gentle described second pipe judges described first object
In time period, the Guan Wen of described vaporizer the most persistently rises and reaches maximum.
Overload of compressor the most according to claim 2 protection control method, it is characterised in that
Detect the pipe thermometer bulb of described vaporizer in the second object time section to include: vaporizer described in the 4th moment of detection
4th pipe temperature；Detect the 5th pipe temperature of vaporizer described in the 5th moment, wherein, described 4th moment and described
Five moment were the time point of arbitrary continuation in described second object time section, and described 5th moment is positioned at described
After 4th moment,
Judge that whether the difference of described ambient temperature and described Guan Wen is less than presetting temperature in described second object time section
Degree difference ultimate value includes: calculate the temperature gap of the gentle described 4th pipe temperature of described 5th pipe；And judge described
Whether temperature gap is less than zero.
Overload of compressor the most according to claim 2 protection control method, it is characterised in that described shielding lacks fluorine and protects
Protect and include:
Obtain and preset the overload protection time period；
Described first object time period and described second object time is removed from the described default overload protection time period
Section is to determine the 3rd object time section, wherein, and described 3rd object time section and described second object time section phase
Neighbour, and after described 3rd object time section is positioned at described second object time section；And
Fluorine protection is lacked in described 3rd object time section inner shield.
Overload of compressor the most according to claim 5 protection control method, it is characterised in that in described 3rd target
Before time period inner shield lacks fluorine protection, described shielding lacks fluorine protection and also includes:
Obtain the scarce fluorine protection halt command being sent to described compressor, wherein, described scarce fluorine protection halt command
Including lacking fluorine protection halt command for the first time, second time lacks fluorine protection halt command and third time lacks fluorine protection and shuts down
Order；And
Detection sends described third time and lacks the moment of fluorine protection halt command whether within the described first object time period
Or in described second object time section,
Wherein, if be detected that send described third time to lack the moment of fluorine protection halt command not at described first mesh
In the mark time period or in described second object time section, then shielding lacks fluorine protection.
7. an overload of compressor protection controls device, it is characterised in that including:
Detector unit, for detecting the state of compressor；
Judging unit, is used for judging whether described compressor overload protection occurs；And
Screen unit, if there is overload protection for described compressor, then shielding lacks fluorine protection.
Overload of compressor the most according to claim 7 protection controls device, it is characterised in that described overload of compressor
Protection controls the device overload protection for dehumidifier, and described dehumidifier includes vaporizer and described compressor, its
In:
Described detector unit is additionally operable to detect pipe temperature and second target of described vaporizer in the first object time period
Ambient temperature and the Guan Wen of described vaporizer in time period, wherein, described first object time period and described second
Object time section is the adjacent time period, and described second object time section is positioned at the described first object time period
Afterwards,
Described judging unit includes: the first judge module, is used for judging described pipe in the described first object time period
Temperature the most persistently rises and reaches maximum；Second judge module, for judging the described first object time
After in section, described pipe temperature persistently rises and reaches maximum, it is judged that described Guan Wen is in the described first object time period
Whether the temperature gap persistently risen is more than or equal to preset temperature difference；3rd judge module, for sentencing
Break and temperature gap that described Guan Wen persistently rises in the described first object time period more than or equal to preset temperature
After difference, it is judged that in described second object time section, whether the difference of described ambient temperature and described Guan Wen is less than
Preset temperature difference ultimate value；First determines module, for if it is judged that in described second object time section described
The difference of ambient temperature and described Guan Wen is less than preset temperature difference ultimate value, it is determined that overload occurs in described compressor
Protection.
Overload of compressor the most according to claim 8 protection controls device, and described detector unit includes:
First detection module, for the first pipe temperature of vaporizer described in the first moment of detection；
Second detection module, for the second pipe temperature of vaporizer described in the second moment of detection；
3rd detection module, for the 3rd pipe temperature of vaporizer described in the 3rd moment of detection；And
Wherein, in described first moment, described second moment and described 3rd moment are the described first object time period
The time point of interior arbitrary continuation, and after described second moment is positioned at described first moment, described 3rd moment
After being positioned at described second moment, described first judge module is additionally operable to by judging described in described first pipe gentleness
The magnitude relationship of the second gentle described 3rd pipe temperature of pipe judges the pipe of described vaporizer in the described first object time period
Temperature the most persistently rises and reaches maximum.
Overload of compressor the most according to claim 8 protection controls device, it is characterised in that
Described detector unit also includes: the 4th detection module, for the described in the 4th moment of detection the 4th of vaporizer the
Guan Wen；5th detection module, for the 5th pipe temperature of vaporizer described in the 5th moment of detection, wherein, described the
Four moment and described 5th moment are the time point of arbitrary continuation in described second object time section, and described
After five moment were positioned at described 4th moment,
Described second judge module includes: calculating sub module, is used for calculating gentle described 4th pipe of described 5th pipe
The temperature gap of temperature；And judgement submodule, it is used for judging that described temperature gap is the most described to judge less than zero
Guan Wen whether continuous decrease in described second object time section.
11. overload of compressor according to claim 8 protections control device, it is characterised in that described screen unit bag
Include:
First acquisition module, is used for obtaining the default overload protection time period；
Second determines module, for removing the described first object time period from the described default overload protection time period
With described second object time section to determine the 3rd object time section, wherein, described 3rd object time section and institute
State the second object time section adjacent, and after described 3rd object time section is positioned at described second object time section；
And
Shroud module, for lacking fluorine protection in described 3rd object time section inner shield.
12. overload of compressor according to claim 11 protections control device, and described screen unit also includes:
Second acquisition module, sends for obtaining before lacking fluorine protection in described 3rd object time section inner shield
Protecting halt command to the scarce fluorine of described compressor, wherein, described scarce fluorine protection halt command includes lacking for the first time
Fluorine protection halt command, second time lacks fluorine protection halt command and third time lacks fluorine protection halt command；And
Whether 6th detection module, lack the moment of fluorine protection halt command in institute for detecting the described third time of transmission
In stating the first object time period or in described second object time section,
Wherein, screen unit is additionally operable to when detecting that sending described third time lacks the moment of fluorine protection halt command not
Time within the described first object time period or in described second object time section, shielding lacks fluorine protection.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310508782.5A CN104564638B (en) | 2013-10-24 | 2013-10-24 | compressor overload protection control method and device |
| PCT/CN2014/088976 WO2015058666A1 (en) | 2013-10-24 | 2014-10-20 | Compressor overload-protection control method and device |
| US15/031,845 US10228174B2 (en) | 2013-10-24 | 2014-10-20 | Compressor over-load protection control method and apparatus |
| EP14855274.8A EP3073115B1 (en) | 2013-10-24 | 2014-10-20 | Compressor overload-protection control method and apparatus |
| ES14855274T ES2790575T3 (en) | 2013-10-24 | 2014-10-20 | Compressor overload protection control method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310508782.5A CN104564638B (en) | 2013-10-24 | 2013-10-24 | compressor overload protection control method and device |
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| Publication Number | Publication Date |
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| CN104564638A CN104564638A (en) | 2015-04-29 |
| CN104564638B true CN104564638B (en) | 2016-08-17 |
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| Country | Link |
|---|---|
| US (1) | US10228174B2 (en) |
| EP (1) | EP3073115B1 (en) |
| CN (1) | CN104564638B (en) |
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| CN105180362B (en) * | 2015-09-02 | 2018-01-23 | 珠海格力电器股份有限公司 | Compressor overload protection control method and device and fixed-frequency air conditioner |
| CN105066370B (en) * | 2015-09-02 | 2018-04-17 | 珠海格力电器股份有限公司 | compressor overload protection control method and device and air conditioner |
| CN110398022B (en) * | 2019-08-02 | 2020-07-31 | 宁波奥克斯电气股份有限公司 | Air conditioner overload protection judgment method and device and air conditioner |
| CN112032930B (en) * | 2020-08-17 | 2021-07-20 | 珠海格力电器股份有限公司 | Compressor protection method and device, storage medium and electronic equipment |
| US11710955B2 (en) * | 2021-01-22 | 2023-07-25 | Infineon Technologies Ag | Parameter threshold level based on signal from controller |
| CN113847703B (en) * | 2021-10-29 | 2023-08-15 | 海信（广东）空调有限公司 | Refrigerant leakage detection method of dehumidifier |
| CN114216201B (en) * | 2021-12-02 | 2024-03-22 | 珠海格力电器股份有限公司 | Control method of fixed-frequency air conditioner and fixed-frequency air conditioner |
| CN115682369A (en) * | 2022-11-03 | 2023-02-03 | 珠海格力电器股份有限公司 | Control method and device of air conditioner, air conditioner and storage medium |
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2014
- 2014-10-20 WO PCT/CN2014/088976 patent/WO2015058666A1/en active Application Filing
- 2014-10-20 EP EP14855274.8A patent/EP3073115B1/en active Active
- 2014-10-20 US US15/031,845 patent/US10228174B2/en active Active
- 2014-10-20 ES ES14855274T patent/ES2790575T3/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US10228174B2 (en) | 2019-03-12 |
| CN104564638A (en) | 2015-04-29 |
| US20160265828A1 (en) | 2016-09-15 |
| ES2790575T3 (en) | 2020-10-28 |
| WO2015058666A1 (en) | 2015-04-30 |
| EP3073115B1 (en) | 2020-02-19 |
| EP3073115A4 (en) | 2017-10-25 |
| EP3073115A1 (en) | 2016-09-28 |
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